Finding the Fourth Proportional to 421,564.68, 581,642.10 and 251,736.84
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Solution
The fourth proportional to 421,564.68, 581,642.10 and 251,736.84 is: 347,326.88
Step by Step Solution
- Step 1: Write the proportion equation
421,564.68 : 581,642.10 = 251,736.84 : x - Step 2: Convert to fraction form
421,564.68/581,642.10 = 251,736.84/x - Step 3: Cross multiply
421,564.68x = 581,642.10 × 251,736.84 - Step 4: Simplify right side
421,564.68x = 146,420,744,264.96 - Step 5: Solve for x
x = 146,420,744,264.96/421,564.68 - Step 6: Final answer
x = 347,326.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.